Online Media streaming and transferring

Prepared By : Sondos Ishtawi Asma Salman

Supervised By :Raed Al-Qadi

OutlineOverview

Video Format Conversion

Connection with An authentication

Streaming media

Transferring media

Overview Online media streaming and transferring is a

project that supports both transferring and streaming media from pc to the mobile.

streaming part allows the user to watch any media whatever its size is without needing to store it in the mobile’s memory.

Transferring part allows the user to download any media from the PC directly to its mobile memory.

Overview

Android system ( Version 2.2) is our choice to do the implementation of the project ( Client Side).

Why Android !!Low Barrier to Entry.

 An Ideal Platform for Companies New To

Mobile

A Variety of Distribution Mechanisms

Open and Free Platform

Best Mobile Platform for Inter-Application

Integration.

OutlineOverviewVideo Format ConversionAuthenticationStreaming mediaTransferring media

Video Format ConversionAndroid System doesn't cover wide range of

video formats available , here is our first problem.

We managed this problem by writing a program that converts the format of the video from a format that isn’t supported by android to supported formats.

We use FFMPEG to achieve that using ASP.net to access commands for conversion.

HOW…Step – 1Just download FFMPEG module , and put in

your application path.Step -2Assign the I/O vides path, directories and FFMPEG command.Step - 3Now create a function which can execute those command line

Video Format Conversion

Choose the Video File

Check the Video

Format

Stored in a Specific

Directory

Supported

By android

Use command of

FFMPEG Library

Not Supported

By androidRun

Command on the chosen

Video

Done

OutlineOverviewVideo Format ConversionConnection with AuthenticationStreaming mediaTransferring media

Connection with AuthenticationOur project provides a security access from

the mobile to the PC, only users having a username and a password can access a specific directory where the media are stored.

We do the connection over wirless network.We do this by using Android System on the

mobile, PHP server on the PC and the connection is done over HTTP Server (WampServer).

Connection with Authentication

User should insert his name and password .

Enter if has a permission .

User should insert his name and password .

OutlineOverviewVideo Format ConversionAuthenticationStreaming mediaTransferring media

Media StreamingStreaming media is multimedia that is

constantly received by and presented to an end-user while being delivered by a streaming provider.

Bandwidth of network and length of the media are the main factor that’s affect the speed and the quality of streaming.

Many network protocols are supporting media streaming , one of these protocol is RTSP Protocol.

Media Streaming- RTSP.RTSP Protocol(Real Time Streaming

Protocol):is a network control protocol designed for use in communications systems to control media streaming.

This protocol is establishing and controlling media sessions between end points ( client and server ).

Media Streaming- RTSP.

Streaming media using RTSP protocol solve the problem of limited mobile memory, user can stream any media stored in the server side whatever was its size without caring about the size of the memory mobile.

Media Streaming- RTSP.MediaPlayer with MediaController :

we use the MediaPlayer class for playing the video.

MediaPlayer objects operate as a state machine. This means that operations need to be performed in a specific order and various methods should be called only when the object is in the correct state to handle them.

Media Streaming- RTSP.MediaController of MediaPlayer has :

rewind, pause, play, and fast-forward buttons along with a scrubber and progress bar combination that can be used to seek to any point in the video.

Media Streaming- TCP.TCP Socket Protocol :

in this part we implement our streaming Protocol using TCP Sockets.

We write the server side using c# language, and the client side using java android.

Here we divide video file into frames (each of size 1024 bytes ) and send these frames through the TCP socket, we control and manage the ordering of these frames through the streaming operation.

Media Streaming- TCP.Client Process : the application provide to the user listview of

available videos that’s he can stream.When user choose the video, client send the

name of the video to the server side through TCP Socket ( OutputStream).

Media Streaming- TCP. Server Process :Server Receive name of video through TCP

socket( read Input Stream) then read the desired video from the specific Directory and stored it in array of bytes.

Server Divide video into frame, each frame with size 1024 bytes.

Media Streaming- TCP.Problem with TCP Protocol:

1) Limited Bandwidth.

2) In ordering of data Receive to the client side.

media Streaming

Send Chosen Video name

Client ServerConnect to the IP address

and Port number Read video into array of

bytes

Number of Packet = video size / 1024

Send frames of video

For loop ofNumber of

Packet

Read Frames and view it in

MediaPlayer

media Streaming TCP Vs RTSP protocol:1) Performance:

RTSP is Better Than TCP.2) Memory Saving:

RTSP is Better Than TCP.3) Quality:

RTSP is Better Than TCP.

media Streaming

Future Work to do:Since Android system it’s a new system, we found a problem in how to decode the receiving packets(array of bytes) into video format in order to be able to view it in a media player.

media TransferringThis part of project allow the user to transfer

any video or any audio store in the server side and save it in his mobile memory.

We use the same protocol we implemented in streaming media through TCP socket.

When all packets receive we write it in its transfer format into a specific location in the SDcard.

media Transferring

Send Chosen Video name

Client ServerConnect to the IP address

and Port number Read video into array of

bytes

Number of Packets

Send frames of video

For loop ofNumber of

Packet

Read Frames and view it in

MediaPlayer

Write on theSDcard

FeaturesUser friendly interface.good performance, since most of media

processing are doing in the server side.Users can watch any video whatever its size

is through there mobile.Users can transfer media from pc to there

mobile easily.